Orifice diameter 0.593 in.; lg 2.946 in.
A valve permitting flow in one direction only. It does not have a stem, except when equipped with a lever and weight and has no pressure adjustment. It may be inline or cartridge (manifold) design.
NSN 6320-00-725-0754
NSN 5990-00-844-5659
NSN 5990-01-417-4402
NSN 5925-00-950-7444
NSN 6610-01-442-3509
NSN 5945-00-946-9156
NSN 5990-01-352-5255
NSN 5945-01-634-0588
NSN 5960-01-370-4285
NSN 5975-00-255-8778
NSN 6110-01-297-3924
NSN 5999-01-034-3994